90559540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27779}}^1$

素因数の和:27951

約数の個数: 24

約数和(自身を含む): 191348640

約数和(自身を除く): 100789100

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27779, 55558, 111116, 138895, 277790, 555580, 4527977, 9055954, 18111908, 22639885, 45279770, 90559540]

約数ペア:

[(1, 90559540), (2, 45279770), (4, 22639885), (5, 18111908), (10, 9055954), (20, 4527977), (163, 555580), (326, 277790), (652, 138895), (815, 111116), (1630, 55558), (3260, 27779)]